Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gail Royster
Adult Companion in Fairfield, CA · enumerated 2018.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992274708
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Registry record
Entity type Individual (Type 1)
Name Gail Royster
Sex Female
Practice address 345 E Travis Blvd, Fairfield, CA, 94533
Phone (510) 459-1933
Enumeration date Nov 21, 2018
Last updated in NPPES Jun 17, 2025
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
What is the NPI number for Gail Royster?
The National Provider Identifier (NPI) for Gail Royster is 1992274708, a Type 1 (individual) record in the CMS NPPES registry.
Where does Gail Royster practice?
The practice location on file with NPPES is in Fairfield, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Traci Bass Peer Specialist · Fairfield, CA NPI 1275705873 Amanda Morris Social Worker · Fairfield, CA NPI 1023259843 Darrina Bernstine Adult Companion · Fairfield, CA NPI 1679012082 Jaazar Shalabi Marriage & Family Therapist · Fairfield, CA NPI 1003344995 Gerardo Flores Arevalo Counselor · Fairfield, CA NPI 1568983344 Carmen Alexis Adult Companion · Fairfield, CA NPI 1336657642 Kenneth Udo Marriage & Family Therapist · Fairfield, CA NPI 1477033223 Marco Zacarias Marriage & Family Therapist · Fairfield, CA NPI 1013565985
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-06-17.